CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1 
Operating Instructions, 01/2017, C79000-G8976-C426-03 
7 
  Preface ................................................................................................................................................... 3 
1  Application and functions ...................................................................................................................... 11 
1.1  Components of the product .................................................................................................... 11 
1.2  Application .............................................................................................................................. 11 
1.3  Communications services ....................................................................................................... 12 
1.4  Telecontrol communication of the CP 1542SP-1 IRC ............................................................ 13 
1.5  Other services and properties ................................................................................................. 14 
1.6  Security functions (CP 1542SP-1 IRC, CP 1543SP-1) ........................................................... 15 
1.7  Configuration limits and performance data ............................................................................. 17 
1.8  Requirements for use.............................................................................................................. 19 
1.8.1  Hardware requirements .......................................................................................................... 19 
1.8.2  Software requirements ............................................................................................................ 20 
1.9  Configuration examples .......................................................................................................... 20 
2  LEDs and connectors ............................................................................................................................ 25 
2.1  LEDs ....................................................................................................................................... 25 
2.2  Power supply .......................................................................................................................... 26 
2.3  Connector for the BusAdapter ................................................................................................ 27 
3  Installation and connecting up ............................................................................................................... 29 
3.1  Important notes on using the device ....................................................................................... 29 
3.1.1  Notes on use in hazardous areas ........................................................................................... 29 
3.1.2  Notes on use in hazardous areas according to ATEX / IECEx .............................................. 31 
3.1.3  Notes on use in hazardous areas according to UL HazLoc ................................................... 31 
3.1.4  General notices on use in hazardous areas according to FM ................................................ 32 
3.2  Installing the CP ...................................................................................................................... 32 
3.3  Connecting the CP .................................................................................................................. 36 
4  Configuration and operation .................................................................................................................. 39 
4.1  Security recommendations ..................................................................................................... 39 
4.2  Configuration in STEP 7 ......................................................................................................... 42 
4.3  Ethernet interface .................................................................................................................... 43 
4.3.1  IPv6 ......................................................................................................................................... 43 
4.3.2  Time-of-day synchronization ................................................................................................... 43 
4.4  SNMP ...................................................................................................................................... 45 
4.5  Telecontrol communication (CP 1542SP-1 IRC) .................................................................... 45 
4.5.1  Configuration ........................................................................................................................... 45